Outdoor fireplace



FIG. 1 is a top right front perspective view of an outdoor fireplace showing our new design shown broken away to indicate indeterminate length;

FIG. 2 is a top left front perspective view of the outdoor fireplace of FIG. 1; and,

FIG. 3 is a bottom plan view of the outdoor fireplace of FIG. 1.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an outdoor fireplace, as shown and described. 